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Scribing and cutting device for bundle strength meter and application

A technology of beam strength meter and cutting rod, which is applied in the direction of measuring device, applying stable tension/pressure to test the strength of materials, instruments, etc., can solve the problems of inaccurate cutting, troublesome operation, large error fluctuation, etc., and achieve measurement and calculation Accurate, convenient mechanism use and installation, precise cutting process effect

Active Publication Date: 2019-04-12
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For small sample experiments, most of them are fixed and cut manually with a cutter or manually with a side knife. The disadvantage of manual work is that it is troublesome to operate, and additional cutting tools are required. The efficiency is low, and the fibers are easily skewed during cutting, resulting in inaccurate cutting and large error fluctuations. In addition, most of them are cut with a backing plate, not only the edge is not cut completely, but also the tool wears quickly; while the mechanism of manual cutting with the side knife requires the side knife to move horizontally in the vertical direction of the fiber, and another mechanism is needed to complete this movement. , not only takes up space, but also cannot meet the requirements of automatic continuous operation, and the measurement time is longer

Method used

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  • Scribing and cutting device for bundle strength meter and application
  • Scribing and cutting device for bundle strength meter and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The example uses 66 combed wool (2114 μm) for testing. The environmental conditions of the experiment: the temperature is 20°C, and the relative humidity is 65%. Firstly, the cutting cylinder 9 is at the initial position, and the fiber bundle is clamped between the upper chuck 12 and the lower chuck 13 at a fixed interval. The two ends of the grown fiber are laid parallel and straight on the lower chuck 13 and the cylinder 4 Air valve 5 makes the cutter 1 and the pressure rod 2 descend until the pressure rod 2 presses the head end of the bundle fiber; the cutting valve 10 of the cutting cylinder 9 air intake, so that the cutter 1 and the pressure rod 2 move toward the uncut fiber direction , The pressing rod 2 compresses the fiber before the cutter 1 cuts the fiber, and then gradually cuts the wool bundle fiber.

Embodiment 2

[0029] The example uses ramie (fineness of 0.9 tex, length of 36.2 mm) for testing. The environmental conditions of the experiment: the temperature is 20°C, and the relative humidity is 65%. Firstly, the cutting cylinder 9 is at the initial position, and the fiber bundle is clamped between the upper chuck 12 and the lower chuck 13 at a fixed interval. The two ends of the grown fiber are laid parallel and straight on the lower chuck 13 and the cylinder 4 Air valve 5 makes the cutter 1 and the pressure rod 2 descend until the pressure rod 2 presses the head end of the bundle fiber; the cutting valve 10 of the cutting cylinder 9 air intake, so that the cutter 1 and the pressure rod 2 move toward the uncut fiber direction , The pressing rod 2 compresses the fiber before the cutter 1 cuts the fiber, and then gradually cuts the ramie bundle fiber.

Embodiment 3

[0031] The embodiment uses carbon fiber 2.2K for testing. The environmental conditions of the experiment: the temperature is 20°C, and the relative humidity is 65%. Firstly, the cutting cylinder 9 is at the initial position, and the fiber bundle is clamped between the upper chuck 12 and the lower chuck 13 at a fixed interval. The two ends of the grown fiber are laid parallel and straight on the lower chuck 13 and the cylinder 4 Air valve 5 makes the cutter 1 and the pressure rod 2 descend until the pressure rod 2 presses the head end of the bundle fiber; the cutting valve 10 of the cutting cylinder 9 air intake, so that the cutter 1 and the pressure rod 2 move toward the uncut fiber direction , The pressing rod 2 compresses the fiber before the cutter 1 cuts the fiber, and then gradually cuts the carbon fiber.

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Abstract

The invention relates to a scribing and cutting device for a bundle strength meter and application. The scribing and cutting device comprises a cutting knife, a pressing rod, a pushing rod, a cylinder, an upper air valve, a lower air valve, an air suction inlet, a cutting rod, a cutting cylinder, a cutting air valve, a reset air valve, an upper clamping head, a lower clamping head and an upper clamping seat. The scribing and cutting device for the bundle strength meter is novel and simple, can realize continuous and automatic clamping and cutting and can improve work efficiency; and bundle fiber sections can be precisely scribed and cut and completely collected, and the linear density of bundle fibers is accurately measured.

Description

Technical field [0001] The invention relates to a cutting and cutting device for a beam strength meter and its use, belonging to the field of automatic measurement of the strength of bundle fibers. Background technique [0002] Fiber breaking strength indicates the maximum ability of the fiber to withstand tensile load, and the unit is Newton (N), or centinewton (cN). The breaking strength of a single fiber is called absolute strength, which is related to the thickness of the fiber. In order to compare with each other, the breaking strength (or relative strength) is usually used to characterize it. The following three indicators are commonly used to indicate fiber breaking strength: (1) Breaking stress: It is the maximum tensile force that the fiber can withstand on a unit fiber cross section, in Pa; (2) Specific stress: It refers to the unit linear density fiber can The maximum tensile force to withstand, the unit is N / tex. (3) Breaking length: It refers to the fiber length at...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08G01N9/00
CPCG01N3/08G01N9/00G01N2203/0017
Inventor 于伟东卢笛刘洪玲毋戈徐嘉颖
Owner DONGHUA UNIV
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